** Nifty 50 .NSEI and Sensex .BSESN lose 0.4%, dragged by IT stocks ahead of Tata Consultancy Services' TCS.NS quarterly results
** IT index .NIFTYIT falls 1%; all 10 constituents down; TCS dips 0.5%
** Small-cap .NIFSMCP100 and mid-cap indexes .NIFMDCP100 ease 0.3% each
** Markets are awaiting earnings triggers and potential U.S. trade deal; sellers dominant near 25,500 levels for Nifty, analysts say
** Other Asian markets inch higher as investors shrugged off Trump's latest tariff salvos MKTS/GLOB
** Indian delegation expected to visit U.S. to continue trade talks
** Bucking broader trend, power financiers REC RECM.NS and Power Finance Corp PWFC.NS rise on Morgan Stanley's "overweight" rating
** House financiers Home First Finance HOME.NS, Aadhar Housing AADA.NS and Aptus APTS.NS gain after Bernstein's "outperform" rating